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Indeed, thanks! Alright I might go the 5 row design then, which is more simple. Again, thank you for your very very valuable help, this is always reassuring.

Best,

Marion

Many thanks for your quick answer! Very helpful!

Using blocks (option 2) does increase efficiency compared to option 3 where I only have 5 rows. So I might go for option 2 even though it is harder. It would not be that hard if I could trick Ngene to generate the choice sets of block 1 first (i.e ...

Dear Michiel,

I have now run the pilot and I realize that 8 choices (+ the rationality test at the end) is too much: it seems to discourage the companies to answer. Therefore I am thinking of presenting them with only 4 choice sets (+ rationality test at the end). I have a few doubts regarding how ...

Perfect! I'll do that then! All your advice was great and super clear! Very very valuable. Many thanks Michiel, I really mean it.

Waouh, this makes everything clear in my mind, thanks so much for your time. Then I will decide between a heterogeneous pivot design and separating e.g. 30 different designs that span all possible prices (which would indeed be more accurate).

If I decide to generate separately a large number of ...

Thank you very much for your clarifications.

1- Do you agree that it is not possible to generate a heterogeneous design on the fly if I am not sure about the exact number of status quos my respondents may have? Here is my reasoning. My respondents will select the price of their current product (i.e ...

Many thanks for your quick reply !

1- You understood perfectly what I am trying to do indeed. That is true that Hep, Lbl and Reg are not actually pivoted. But is it ok to "pivot" differently the reference alternative to get Alternatives A and B? So that indeed, in the end, the levels of attributes ...

Dear NGENE community,

Thanks a lot for your hard work in making the NGENE manual so clear, it helped me a lot understanding things! This is the first time I am making a choice experiment design and I would be really glad if I could get your feedback on a few points for my quite complex design.

I ...